<script setup>
    import {User, Lock} from '@element-plus/icons-vue'
    import {ref} from 'vue'
    import adminApi from '@/api/admin.js'
    import {ElMessage} from "element-plus";
    import {useRouter} from 'vue-router'
    const router = useRouter()
    import {useTokenStore} from '@/store/token.js'
    import userApi from "@/api/user.js";
    import captchaApi from "@/api/captcha.js";
    const tokenStore = useTokenStore()//useTokenStore是pinia的一个方法，实例化了一个tokenStore对象

    //定义数据模型
    //1.定义admin对象
    const loginInfoDTO  = ref({//useTokenStore是pinia的一个方法
        name: '',
        password: '',
        type: 1,
        captcha: '',
        uuid: ''
    })
    //2.定义login事件函数
    const login = () => {
        if (loginInfoDTO.value.type === 1) {
            adminApi.login(loginInfoDTO.value).then(result => {
                console.log(result)
                if (result.code == 0) {
                    ElMessage.success(result.msg ? result.msg : '登录成功')
                    //把得到的token放到pinia中
                    tokenStore.setToken(result.data)
                    localStorage.setItem('type', 1)
                    //TODO 首页路由到统计图表
                    router.push('/admin/chart')
                } else {
                    //ElMessage.error(result.msg)
                    loadCaptcha()
                }
            })
        } else {
            userApi.login(loginInfoDTO.value).then(result => {
                console.log(result)
                if (result.code == 0) {
                    ElMessage.success(result.msg ? result.msg : '登录成功')
                    //把得到的token放到pinia中
                    tokenStore.setToken(result.data)
                    localStorage.setItem('type', 2)
                    //TODO 首页路由到统计图表
                    router.push('/user/chart')
                } else {
                    // ElMessage.error(result.msg)
                    loadCaptcha()
                }
            })
        }
    }

    //表单校验模型
    const rules = ref({
        name: [
            {required: true, message: '请输入用户名', trigger: 'blur'},
            {min: 2, max: 16, message: '用户名的长度必须为2~16位', trigger: 'blur'}
        ],
        password: [
            {required: true, message: '请输入密码', trigger: 'blur'},
            {min: 3, max: 16, message: '密码长度必须为3~16位', trigger: 'blur'}
        ]
    })

    //跳转到注册页面
    const goToRegister = () => {
        router.push('/register')
    }

    //获得验证码
    const captcha = ref('')
    const loadCaptcha = () => {
        captchaApi.captcha().then(result => {
            captcha.value = result.data.captcha
            loginInfoDTO.value.uuid = result.data.uuid
        })
    }

    loadCaptcha()
</script>

<template>
    <div class="login-bg">
        <!-- 登录表单 -->
        <el-form class="form-login" ref="form" size="large" autocomplete="off" :model="loginInfoDTO" :rules="rules">
            <el-form-item>
                <h1>登录</h1>
            </el-form-item>
            <el-form-item prop="name">
                <el-input :prefix-icon="User" placeholder="请输入用户名" v-model="loginInfoDTO.name"></el-input>
            </el-form-item>
            <el-form-item prop="password">
                <el-input name="password" :prefix-icon="Lock" type="password" placeholder="请输入密码"
                          v-model="loginInfoDTO.password"></el-input>
            </el-form-item>
            <el-form-item prop="captcha">
                <el-input name="captcha" v-model="loginInfoDTO.captcha" placeholder="验证码" auto-complete="off" prefix-icon="el-icon-refresh"></el-input>
                <img width="160px" :src="captcha" @click="loadCaptcha" alt="验证码"/>
            </el-form-item>
<!--            <el-form-item class="flex">
                <div class="flex">
                    <el-checkbox>记住我</el-checkbox>
                    <el-link type="primary" :underline="false">忘记密码？</el-link>
                </div>
            </el-form-item>-->
            <!-- 选择登录身份 -->
            <el-form-item prop="type">
                <el-radio-group v-model="loginInfoDTO.type">
                    <el-radio :value="1" size="large">管理员</el-radio>
                    <el-radio :value="2" size="large">用户</el-radio>
                </el-radio-group>
            </el-form-item>
            <!-- 登录按钮 -->
            <el-form-item>
                <el-button class="button" type="primary" auto-insert-space @click="login">登录</el-button>
            </el-form-item>
            <el-form-item v-if="loginInfoDTO.type === 2">
            <el-link type="primary" @click="goToRegister">还没有账号？立即注册</el-link>
            </el-form-item>
        </el-form>
    </div>

</template>

<style scoped>

    .login-bg {
        height: 100%;
        background-repeat: no-repeat;
        background-position: center;
        background-attachment: fixed;
        background-size: cover;
    }

    .form-login {
        width: 280px;
        padding: 20px;
        position: absolute;
        top: 20%;
        left: calc(50% - 150px);
        background-color: #FFF;
        box-shadow: 10px 10px 30px #000;
    }
</style>